@article{Krajnov2017depth,
author={Krajnov, S.V. and Yakovlev, A.T. and Alekhanova, I.F. and Mihalchenko, V.F. and Popova, A.N.},
title={DEPTH OF THE PERIODONTAL POCKETS" OR "ATTACHMENT LOSS'', WHICH PARAMETER TO SELECT IN GERONTOSTOMATOLOGY?},
journal={Actual problems in dentistry},
publisher={TIRAZH Publishing House},
year={2017},
pages={9-14},
volume={13},
issue={4},
}